Cellular Validation Engineer

Description
As a Cellular RFIC Validation Engineer supporting Apple's HWT Cellular RF team, you will assist Directly Responsible Individuals (DRIs) with the bring-up, characterization, and release of cellular transceiver SoCs. This is a hands-on bench role -- you'll be in the lab daily working with real hardware across the full RFIC validation lifecycle, from initial bring-up through optimization for ATE and platform-level testing.
Day-to-day responsibilities include:
Supporting IC design verification and chipset bring-up alongside senior engineers and DRIs
Executing block-level characterization across transmitter, receiver, PLL, DSP, and data converter components
Developing and maintaining Python test scripts for device control, bench automation, and data analysis
Building performance lookup tables across gain settings and circuit combinations to validate metrics including intermod, EVM, power, and IQ calibration
Characterizing RF performance across operating conditions and identifying marginal or failure points through data mining
Contributing to chipset optimization and preparing releases for platform-level and ATE testing
Supporting ATE engineers during production transition as needed
Collaborating with circuit designers and system integration engineers on debug and root cause analysis
This role is fully onsite at Apple's UTC campus in San Diego. Lab hardware access is required -- remote or hybrid is not available. Local candidates only; relocation is not supported.
Skills
python, electromagnetic/circuit simulation tools, Rf design, Validation, run tests, C/C++ scripting, Radio frequency
Top Skills Details

• Python
• Electromagnetic/circuit simulation tools
• RF Design
• Validation

Additional Skills & Qualifications
Experience supporting ATE engineers or exposure to mass production test environments
Familiarity with DSP concepts: channel decimation, up/down sampling, equalization, noise and DC removal
AI/ML applied to RF validation -- pattern recognition, failure mode prediction, test optimization
MATLAB or C++ for test automation or signal processing
Modern software practices: version control, CI/CD, containerization
MS in Electrical Engineering or Computer Engineering (required); coursework in RF/Microwave Engineering, Analog/Mixed-Signal Design, DSP, or Machine Learning preferred
Education & Experience:
BSEE or MSEE/Higher, or equivalent education.
Coursework or experience in antenna/RF design, wireless communications, EM, or circuits.
Experience Level
Intermediate Level
Job Type & Location
This is a Contract position based out of San Diego, CA.
Pay and Benefits
The pay range for this position is $65.00 - $85.00/hr.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
Medical, dental & vision
Critical Illness, Accident, and Hospital
401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available
Life Insurance (Voluntary Life & AD&D for the employee and dependents)
Short and long-term disability
Health Spending Account (HSA)
Transportation benefits
Employee Assistance Program
Time Off/Leave (PTO, Vacation or Sick Leave)
Workplace Type
This is a fully onsite position in San Diego,CA.
Application Deadline
This position is anticipated to close on Apr 23, 2026.
>About TEKsystems:
We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

We're a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We're a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.